11.81% is the change from 144 to 161
Calculation steps:
[( 161 - 144 ) ÷ 144] x 100 = 11.81%
Formula
Percentage change = [(161 - 144) / 144] x 100
Subtract the new number by the original number
161 - 144 = 17
17 ÷ 144 = 0.11805555555555555
0.11805555555555555 x 100 = 11.81%